{"id":7485,"date":"2013-05-31T17:05:30","date_gmt":"2013-05-31T22:05:30","guid":{"rendered":"http:\/\/mjtsai.com\/blog\/?p=7485"},"modified":"2013-05-31T17:05:31","modified_gmt":"2013-05-31T22:05:31","slug":"c-quiz","status":"publish","type":"post","link":"https:\/\/mjtsai.com\/blog\/2013\/05\/31\/c-quiz\/","title":{"rendered":"C Quiz"},"content":{"rendered":"<p><a href=\"http:\/\/www.mikeash.com\/pyblog\/friday-qa-2013-05-31-c-quiz.html\">Mike Ash<\/a>:<\/p>\n<blockquote cite=\"http:\/\/www.mikeash.com\/pyblog\/friday-qa-2013-05-31-c-quiz.html\"><p>The C language is perhaps the most popular computer language in existence, but it&rsquo;s also quite odd, and because of that often poorly understood. I&rsquo;d like to give you a quiz to see how much you know about some of the odd but useful corners of the language.<\/p><\/blockquote>\n<p>The strangest one for me is that <code>free(NULL)<\/code> is defined as a no-op. I seem to remember reading or being taught early on that this was dangerous. <a href=\"https:\/\/developer.apple.com\/library\/mac\/documentation\/CoreFoundation\/Reference\/CFTypeRef\/Reference\/reference.html\">CFRelease<\/a> will indeed crash, although some variants like <a href=\"https:\/\/developer.apple.com\/library\/mac\/documentation\/graphicsimaging\/reference\/CGImage\/Reference\/reference.html\">CGImageRelease<\/a> will not.<\/p>","protected":false},"excerpt":{"rendered":"<p>Mike Ash: The C language is perhaps the most popular computer language in existence, but it&rsquo;s also quite odd, and because of that often poorly understood. I&rsquo;d like to give you a quiz to see how much you know about some of the odd but useful corners of the language. The strangest one for me [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"apple_news_api_created_at":"","apple_news_api_id":"","apple_news_api_modified_at":"","apple_news_api_revision":"","apple_news_api_share_url":"","apple_news_coverimage":0,"apple_news_coverimage_caption":"","apple_news_is_hidden":false,"apple_news_is_paid":false,"apple_news_is_preview":false,"apple_news_is_sponsored":false,"apple_news_maturity_rating":"","apple_news_metadata":"\"\"","apple_news_pullquote":"","apple_news_pullquote_position":"","apple_news_slug":"","apple_news_sections":"\"\"","apple_news_suppress_video_url":false,"apple_news_use_image_component":false,"footnotes":""},"categories":[4],"tags":[45,46,71],"class_list":["post-7485","post","type-post","status-publish","format-standard","hentry","category-programming-category","tag-c","tag-languagedesign","tag-programming"],"apple_news_notices":[],"_links":{"self":[{"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/posts\/7485","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/comments?post=7485"}],"version-history":[{"count":1,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/posts\/7485\/revisions"}],"predecessor-version":[{"id":7486,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/posts\/7485\/revisions\/7486"}],"wp:attachment":[{"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/media?parent=7485"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/categories?post=7485"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/tags?post=7485"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}